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How can I check whether a numpy array is empty or not?
...e a look at the .size attribute. It is defined as an integer, and is zero (0) when there are no elements in the array:
import numpy as np
a = np.array([])
if a.size == 0:
# Do something when `a` is empty
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Is \d not supported by grep's basic expressions?
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rogerdpack
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answered Aug 1 '11 at 16:08
DaenythDaenyth
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How do I profile memory usage in Python?
...ex Count % Size % Cumulative % Kind (class / dict of class)
0 25773 53 1612820 49 1612820 49 str
1 11699 24 483960 15 2096780 64 tuple
2 174 0 241584 7 2338364 72 dict of module
3 3478 7 222592 7 2560956 78 types.CodeType
4 3...
Depend on a branch or tag using a git URL in a package.json?
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580
From the npm docs:
git://github.com/<user>/<project>.git#<branch>
git://gith...
C#: Looping through lines of multiline string
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answered Sep 30 '09 at 19:41
Jon SkeetJon Skeet
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Creating a JavaScript cookie on a domain and reading it across sub domains
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209
Just set the domain and path attributes on your cookie, like:
<script type="text/javascript...
Never seen before C++ for loop
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320
The condition of the for loop is in the middle - between the two semicolons ;.
In C++ it is OK ...
How do I find numeric columns in Pandas?
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150
You could use select_dtypes method of DataFrame. It includes two parameters include and exclude....
Why were pandas merges in python faster than data.table merges in R in 2012?
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120
It looks like Wes may have discovered a known issue in data.table when the number of unique stri...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
... be null, it may not in fact be a System.Exception.
See CLI spec section 10.5 (specifically CLS rule 40) for more details
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